Transalta Corporation · TSX:TA

Transalta — TD Securities 2011 Calgary Unconventional Energy Conference

10 slides from Transalta's conference presentation, Jul 7, 2011

  1. Slide 1: TD Securities 2011 Calgary Unconventional Energy Conference

    TD Securities 2011 Calgary Unconventional Energy Conference July 7, 2011 Dawn Farrell Chief Operating Officer 1

  2. Slide 2: Forward looking statements

    Forward looking statements This presentation may contain forward looking statements, including statements regarding the business and anticipated financial performance of TransAlta Corporation. All forward looking statements are based on our beliefs and assumptions based on information available at t

  3. Slide 3: TransAlta at a glance

    TransAlta at a glance  Canada’s largest publicly traded wholesale power generator & marketer with over 100 years of  Coal: 4,317 MW operating experience  Over 8,000 MW strategically positioned in Canada, Western U.S. and Australia  Gas: 1,813 MW More than 2,100 MW of renewable energy  3,100 MW

  4. Slide 4: TransAlta's renewable fleet

    TransAlta’s renewable fleet Canada’s leading provider of renewable energy; invested more than $2.5 billion in renewable energy over the last decade 816 MW CANADA 77 MW 224 442 MW MW 14 MW 398 MW UNITED STATES Hydro facilities Wind-powered plants 164 MW 5 MW Geothermal HAWAII 4

  5. Slide 5: Growth in renewables

    Growth in renewables We have significantly diversified and more than doubled our renewable portfolio over the last decade Renewable Portfolio Capacity 2,121 MW High quality resource with significant development potential Canada’s largest generator of wind power 1,117 MW 800 MW Alberta’s largest gene

  6. Slide 6: TransAlta's renewable fleet

    TransAlta’s renewable fleet Renewables now account for Highly contracted with some 26% of our portfolio leverage to price 73% 15% 12% 2000 Coal 6,870 MW Gas Renewables 26% Average remaining contract life: 13 years 22% 52% 2011e 8,270 MW 6

  7. Slide 7: Renewables driving increase in gross margins

    Renewables driving increase in gross margins Diversified growth & optimization have driven a 50% increase in gross margins Total Portfolio Fuel Mix (MW) Generation gross margin per MWh produced $31.53 $20.96 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011e 6,870 MW 8,270 MW Comparable Ge

  8. Slide 8: Diversification reduces risk of any one fuel

    Diversification reduces risk of any one fuel 2011 Expected production by fuel type Production Monthly Variability Base and Intermediate Load Production (Std Dev/Avg) (Coal, Gas, Geo) Wind Hydro GWh Base/Intermediate Total Risk (Std Dev) Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Wind Production

  9. Slide 9: Significant future growth opportunity

    Significant future growth opportunity Significant near, medium and long-term renewable development opportunities MW Development opportunities Geothermal Wind Hydro 9

  10. Slide 10: Why renewables?

    Why renewables?  Generates attractive returns  Diversifies risk  Low ongoing capital requirements  Provides a broader platform for growth  Scale allows for sharing of operational expertise and standardized practices 10

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